US2482902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choke coil
Assignee: Hanovia Chemical and Manufacturing Co
•
Filing: 1946-01-24
•
Granted: 1949-09-27
•
Expires: 1966-01-24
Abstract
No abstract record available.
Inventors
- 👤 Clark Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:31
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1564690A
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US1633047A
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US1802371A
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US2176064A
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US2228087A
Cited
GB521604A
Cited
US2250986A
Cited
US2279831A
Cited
US2383973A
Cited
US2402030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |